Subchorionic haemorrhage? Spotting and cramping, seen by EPU....

D • 30, UK 🇬🇧 Mama to a 34 week preemie 💙

So as some of you may know I’ve been having spotting and cramping the past week or so. My midwife referred me to the Early Pregnancy Unit and I’ve just had a scan- baby is measuring right on track (8 wks 5 days), but they found a subchorionic haemorrhage. Anyone know anything about this? I’m so scared it’ll cause a miscarriage 😢

Should I avoid gym/heavy lifting? Will that make it worse? What will help it to heal?